diff --git a/trunk/renge/renge.c b/trunk/renge/renge.c
index c55a503..257a159 100644
--- a/trunk/renge/renge.c
+++ b/trunk/renge/renge.c
@@ -187,7 +187,7 @@ static void renge_task_immed_del(){
   // リスト前詰め
   i = 0;
   j = 1;
-  while( j < IMMED_RSV_TASKS_NUM )
+  for( ; j < IMMED_RSV_TASKS_NUM; j++)
   {
       if( tasks_immed[ i ] == (void *)0 )
       {
@@ -202,7 +202,6 @@ static void renge_task_immed_del(){
       {
           i += 1;
       }
-      j += 1;
   }
 }